Isaac Newton — "I feign no hypotheses."

"God created everything by number, weight and measure."

"The best and safest method of philosophizing seems to be, first to inquire diligently into the properties of things, and to establish those properties by experiments, and then to proceed more slowly t…"

"Gravity must be caused by some agent acting constantly according to certain laws; but whether this agent be material or immaterial, I have left to the consideration of my readers."

"I build my philosophy upon the shoulders of giants."

"My powers are ordinary. Only my application brings me success."